refac: always on web search

src/lib/components/chat/Chat.svelte

@@ -117,7 +117,7 @@
 
 	let selectedToolIds = [];
 	let imageGenerationEnabled = false;
-	let webSearchEnabled = $settings?.alwaysOnWebSearch ?? false;
+	let webSearchEnabled = false;
 	let codeInterpreterEnabled = false;
 	let chat = null;
 	let tags = [];
@@ -143,7 +143,7 @@
 			prompt = '';
 			files = [];
 			selectedToolIds = [];
-						
+			webSearchEnabled = false;
 			imageGenerationEnabled = false;
 
 			if (chatIdProp && (await loadChat())) {
@@ -718,7 +718,7 @@
 		if ($page.url.searchParams.get('web-search') === 'true') {
 			webSearchEnabled = true;
 		}
-		
+
 		if ($page.url.searchParams.get('image-generation') === 'true') {
 			imageGenerationEnabled = true;
 		}
@@ -1550,9 +1550,20 @@
 				tool_ids: selectedToolIds.length > 0 ? selectedToolIds : undefined,
 
 				features: {
-					image_generation: imageGenerationEnabled,
-					code_interpreter: codeInterpreterEnabled,
-					web_search: webSearchEnabled
+					image_generation:
+						$config?.features?.enable_image_generation &&
+						($user.role === 'admin' || $user?.permissions?.features?.image_generation)
+							? imageGenerationEnabled
+							: false,
+					code_interpreter:
+						$user.role === 'admin' || $user?.permissions?.features?.code_interpreter
+							? codeInterpreterEnabled
+							: false,
+					web_search:
+						$config?.features?.enable_web_search &&
+						($user.role === 'admin' || $user?.permissions?.features?.web_search)
+							? webSearchEnabled || ($settings?.webSearch ?? false) === 'always'
+							: false
 				},
 				variables: {
 					...getPromptVariables(